心外膜标测为我们更好地理解室速折返环的三维立体结构提供了基本信息。一旦选择了心外膜入路,多极标测、等时延迟激动标测等标测技术及改变波阵面等标测技巧,将有助于在尽量减少消融次数的前提下对关键区域进行有效消融。然而,要成功完成心外膜标测和消融,还需要对解剖结构有清晰的了解,从而最大程度提高成功率、减少并发症。 Epicardial mapping provides basic information for better understanding of the three-dimensional structure of ventricular tachycardia. Once the selection of the epicardial approach, multi-polar mapping, isochronal delay mapping and other active mapping techniques such as changing the wave front and other mapping techniques will help minimize the number of ablations in the key area under the premise Effective ablation. However, successful completion of epicardial mapping and ablation also requires a clear understanding of the anatomy to maximize success and reduce complications.